# Reproduction Files #

Updated: 2015-10-29

This dataverse archive contains materials related to the following article:

    Mullinix, Kevin J., Thomas J. Leeper, James N. Druckman, and Jeremy Freese. "The Generalizability of Survey Experiments." Journal of Experimental Political Science, Forthcoming.

A pre-print copy of the manuscript and supplemental materials are provided in the following files:

 - Manuscript.docx
 - SupplementalMaterials.docx

The article reports the results of two survey-experimental studies, each of which consists of a multitude of survey experiments.

Materials provided for Study 1 include:

 - Study1Analysis.R, the main R analysis file for Study 1. This file calls some additional R files:
   - Analysis-Data-Combining.R
   - Analysis-Functions.R
   - Analysis-Recoding.R
 - Study1Data.csv, the main data file containing all results for Study 1. The file was constructed from several restricted access files:
   - Craigslist.csv
   - ExitPoll.csv
   - FacebookCombined.csv
   - MTurk.csv
   - Staff.csv
   - Student.csv
   - TESS.csv
 - Study1Questionnaire.docx, the questionnaire used in the Study 1 experiments including experimental vignettes
 - Study1Codebook.docx, the codebook used in the raw files just mentioned prior to recoding
 - Study1ConsentForm.docx, the consent form shown to participants in the Study 1 experiments
 - various "Exit Poll Condition *.doc" files showing the complete questionnaires used in the Exit Poll portion of Study 1
 - Study1ExitPollDataEntry.docx, the instructions to RAs for entering data from the Exit Poll studies from raw paper-and-pencil questionnaires
 - Study1GfKCodebook.docx, the codebook provided by GfK/TESS for the national sample in Study 1
 - Study1GfKResponseRateReport.doc, the response rate information supplied by GfK/TESS for the national sample in Study 1
 - Study1StaffRecruitmentEmail.txt, the email sent to Northwestern University staff members recruiting them into Study 1
 - Study1IRBLetter.pdf, the Northwestern University IRB approval letter for Study 1
 - mturk.html, the HTMLQuestion HIT shown to Amazon Mechanical Turk workers in Study 1
 
Study 2 data and materials are available directly from TESS. A listing of studies is included in SupplementalMaterials.docx. Materials provided here for Study 2 include:

 - Study2Analysis.R, the main R analysis file for Study 2.
 - Study2Data.csv, the complete, combined dataset of all experiments used in Study 2 (see Study2Codebook.docx for an explanation)
 - cps.RDS, a subset of January 2014 Current Population Survey data used in the analysis. The description of how these data were extracted from raw CPS data is described in Study2Analysis.R
 - Study2Codebook.docx, the codebook for the combined Study 2 experimental data file
 - GfKMethodology.pdf, a GfK report describing weighting procedures, which was used to design the re-weighting analysis for Study 2
 - Study2-Results*.txt, three files reporting the raw output of Study2Analysis.R, for verification purposes
 
